Olga Misař née Popper (1876 – 1950) was an Austrian peace activist, feminist and writer.
She later became a board member of the Austrian branch of the Women's International League for Peace and Freedom while also participating in the central organization.
In April 1939, threatened by the Nazi regime, together with her husband and daughter, Olga Misař fled to Enfield near London where she joined the British branch of the International League for Peace and Freedom.
[4] Brought up initially in by her Jewish parents in Vienna, from the age of 11 to 18 she lived in England becoming fully bilingual.
On returning to Vienna, despite her parents' wishes she continued her studies thanks to the money she earned by teaching English.
[2] Under the government of Kurt Schuschnigg, the Austrian War Resistors' Alliance (Bund der Kriegsdienstgegner) was dissolved with the result that Misař could no longer be active in Austria.